upd test

client/dial.go

@@ -10,7 +10,7 @@ import (
 	"github.com/xtaci/tcpraw"
 )
 
-var dialCount int
+var dialCount uint64
 
 func dial(config *Config, block kcp.BlockCrypt) (*kcp.UDPSession, error) {
 	defer func() {
@@ -38,7 +38,7 @@ func dial(config *Config, block kcp.BlockCrypt) (*kcp.UDPSession, error) {
 		}
 
 		// assign remote addr
-		remoteAddr = fmt.Sprintf("%v:%v", matches[1], minPort+dialCount%(maxPort-minPort+1))
+		remoteAddr = fmt.Sprintf("%v:%v", matches[1], uint64(minPort)+dialCount%uint64(maxPort-minPort+1))
 	}
 
 	if config.TCP {

client/dial_test.go

@@ -3,19 +3,36 @@ package main
 import (
 	"fmt"
 	"regexp"
+	"strconv"
 	"testing"
 )
 
 func TestDial(t *testing.T) {
 	reg := regexp.MustCompile(`(.*)\:([0-9]{1,5})-?([0-9]{1,5})?`)
-	strs := reg.FindStringSubmatch("0.0.0.0:20000-21000")
-	for i := 0; i < len(strs); i++ {
-		fmt.Println(strs[i])
+	matches := reg.FindStringSubmatch("www.unknown.unknown:20000-21000")
+	for i := 0; i < len(matches); i++ {
+		fmt.Println(matches[i])
 	}
 
-	strs = reg.FindStringSubmatch("0.0.0.0:20000")
-	for i := 0; i < len(strs); i++ {
-		fmt.Println(strs[i])
+	minPort, err := strconv.Atoi(matches[2])
+	if err != nil {
+		t.Fatal(err)
+	}
+	maxPort, err := strconv.Atoi(matches[3])
+	if err != nil {
+		t.Fatal(err)
 	}
 
+	t.Log("minport:", minPort)
+	t.Log("maxport:", maxPort)
+
+	remoteAddr := fmt.Sprintf("%v:%v", matches[1], uint64(minPort)+dialCount%uint64(maxPort-minPort+1))
+
+	t.Log("RemoteAddr:", remoteAddr)
+
+	testcase2 := "1.2.3.4:20000"
+	matches = reg.FindStringSubmatch(testcase2)
+	for i := 0; i < len(matches); i++ {
+		t.Log(testcase2, "submatch", i, matches[i])
+	}
 }